2005 Impala - shifting hard

My 05 Impala shifts hard occasionally. On my way to work this morning and on my way home for lunch it didn't do it. But on my way back every time it shifted it was jerky. It'll do it one time when I drive it and then not for weeks or months. Any suggestions?

I have a 2005 Chevy Impala and it does exactly the samething as far as shifting hard. It jurks as though I was rearended from behind. I did take it to a transmission shop and had it tuned up and then it did it again after short while another transmission shop mechanic told me that this was called positive shifting and that it was normal. I don't think so.

Signed Puzzled Owner

I have a 2005 Chevy Impala and it does exactly the samething as far as shifting hard. It jurks as though I was rearended from behind. I did take it to a transmission shop and had it tuned up and then it did it again after short while another transmission shop mechanic told me that this was called positive shifting and that it was normal. I don't think so.

Trans fluid sounds low. drive it around,get it hot, park it on level
ground and check it while it's in park. check your manual just to make
sure the procedure is as i listed it. that's the normal method but you
never can be too sure.

This is definitely a bigger problem than tranmission fluid. Check all of your mounts(transmission, engine, n firewall). One of more of them may need to be changed! My car did the same and all i had to do was change my transmission mounts.This is definitely a bigger problem than tranmission fluid. Check all of your mounts(transmission, engine, n firewall). One of more of them may need to be changed! My car did the same and all i had to do was change my transmission mounts.

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is your chevy impala auto gear or manual? if auto shift I suggest to
replace the gear box or take to a professional auto gear mechanic,if it
is a manuel gear box all you have to do is replace brass cones your
problem will be solved

no on 05 chevy the transmisson shift is control by vacume look for a vacume line that is dry rooted or has come off start at the engine first then work the way down to the transmisson. a line off or dry rotted any where in the syastem will give you a hard shift sometiimes like a hard jerking motion when shifting.

all of the shifting solenoids are in side the tranny, by the sounds of if you might be able to try a service on the tranny, new filter and fluid might help alot. try that first before spending alot of money.

i would not use anymore treatments however i would replace the shift solenoids because when you do a flush it brakes all the gummy build up louse in the trany and your shift solenoids work kinda like injectors so with that being said it has stopped them up somewhat causing them to not work right. hope this has helped you and good luck!!

SOUNDS LIKE STICKING VALVE BODY GO TO YOUR LOCAL AUTOPARTS DEALER AND BY A BOTTLE OF THERE SHIFTING HELP PRODUCT B&M IS GREAT STUFF AND AFTER THAT I WOULD WAIT ABOUT A WEEK AND HAVE TRANS FILTER CHANGE AND TRANS FLUILD TWO POSSIBLY EVEN HAVE IT FLUSHED

You need to have to transmission filter changed. Dirty filter and not letting it shift. Can you start the motor and let it run about 10-minutes befroe driving. It could be that the fluid is cold and thick, not wanting to shift????? Try that.